Traditionally styled mild steel 2 1/4 in. square. These were a nail pulling tool called Kugi Nuki. Historically everyone knew it as a carpenter’s tool so no one recognized it as a weapon. Togakure Ryu Ninja would usually have nine of them.
Size: 2 ¼ in. square
Material: Mild steel
Options: We offer this in a lightly oiled bare steel or black acid etched